The correct answer to this question is the technological advancement of the television. Kennedy's presidential election was the first election where speeches could be broadcast by television.
That is an opinion, because the answer can vary by person.
Harry Potter was able to talk to a boa constrictor in the reptile room at the zoo on Dudley’s birthday. The boa talked about how he‘d never been to Brazil. When dudley and his friend came over to see what Harry was doing, they pushed Harry, and Harry involuntarily made the glasss of the boa’s exhibit disappear because of his strong wizard emotions, freeing the boa.
Simply explain how the setting (the place the characters are in) relates to a character in the Hobbit. Explain how the terrain, people, etc. can impact what they do. Eg., they must trek around a mountain to avoid a monster. Use a couple of examples.